Render Tests: Add instancing-types

Made for testing #154963.

Pull Request: https://projects.blender.org/blender/blender/pulls/155956

tests/python/CMakeLists.txt

@@ -865,6 +865,9 @@ if((WITH_CYCLES OR WITH_GPU_RENDER_TESTS) AND TEST_SRC_DIR_EXISTS)
     # Some tests in the OpenVDB folder make use of fluid simulations to generate smoke
     list(APPEND render_tests openvdb)
     list(APPEND workbench_tests openvdb)
+    # Some tests in the instancing folder make use of OpenVDB volumes
+    list(APPEND render_tests instancing)
+    list(APPEND workbench_tests instancing)
   endif()
 
   if(WITH_OPENIMAGEDENOISE)

tests/python/cycles_render_tests.py

@@ -138,6 +138,7 @@ BLOCKLIST_GPU = [
     'principled_hair_.*.blend',
     'transparent_shadow_hair.*.blend',
     "microfacet_hair_orientation.blend",
+    "instance_types.blend",
     # Inconsistent handling of overlapping objects.
     "sobol_uniform_41143.blend",
     "visibility_particles.blend",

tests/python/storm_render_tests.py

@@ -91,6 +91,8 @@ BLOCKLIST_OPENGL_INTEL_LINUX = [
     "hair_transmission.blend",
     "principled_bsdf_emission.blend",
     "principled_bsdf_sheen.blend",
+    # Rasterization differences in hair and point clouds.
+    "instance_types.blend",
 ]
 
 # Some Vulkan tests are broken for all vendors.